September Weather in Sinclair, Australia

Last updated: August 22, 2025

In September, the average temperature in Sinclair, Australia is a pleasant 14°C (58°F). Expect lows of 7°C (45°F) and highs reaching 27°C (81°F), making it a great time for outdoor activities. With an average humidity of 60% and about 45 mm (1.8 in) of precipitation over 10 days, be prepared for occasional rain showers.

September Temperature in Sinclair

In September in Sinclair, the average temperature is 14°C (58°F), with maximums reaching 27°C (81°F) and minimums dipping as low as 7°C (45°F). This mild climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

September Weather in Sinclair: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sinclair, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sinclair, September typically has an average temperature of 14°C (58°F), with highs reaching up to 27°C (81°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec676867646058565657606265
Data source: Temperature data for Sinclair generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Sinclair

In Sinclair in September, the precipitation amount is 45 mm (1.8 in) spread over a duration of 10 days.

September Precipitation Trends in Sinclair

The chart displays monthly precipitation patterns in Sinclair, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Sinclair, September typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec146937234653679845474110
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sinclair

In Sinclair in September humidity is 60%. With an average temperature of 14°C (58°F), this humidity feels like a cool, refreshing embrace that can be invigorating for exploring outdoor attractions, although it may cause a slight chill if you're not dressed appropriately.

September Average Humidity in Sinclair

This chart illustrates the average monthly humidity levels in Sinclair, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Sinclair is approximately 60%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec50%55%59%70%73%77%74%67%60%48%48%48%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sinclair

In Sinclair in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Sinclair.

Maximum UV Index Levels in Sinclair for September

The chart shows the monthly maximum UV Index (UVI) for Sinclair in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Sinclair typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141412854468101314
Data source: Sinclair September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Sinclair Compares to Other Months

Weather in Sinclair varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sinclair, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sinclair, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (68°F)14 mm (0.6 inches)50%extreme
February Weather20°C (68°F)69 mm (2.7 inches)55%extreme
March Weather20°C (68°F)37 mm (1.4 inches)59%extreme
April Weather18°C (65°F)23 mm (0.9 inches)70%very high
May Weather16°C (60°F)46 mm (1.8 inches)73%moderate
June Weather14°C (58°F)53 mm (2.1 inches)77%moderate
July Weather13°C (56°F)67 mm (2.6 inches)74%moderate
August Weather13°C (56°F)98 mm (3.9 inches)67%high
September Weather14°C (58°F)45 mm (1.8 inches)60%very high
October Weather15°C (60°F)47 mm (1.8 inches)48%very high
November Weather17°C (62°F)41 mm (1.6 inches)48%extreme
December Weather19°C (66°F)10 mm (0.4 inches)48%extreme

Compare Sinclair's Climate with Cities Worldwide